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57007552 = 267127249
BaseRepresentation
bin1101100101110…
…1110111000000
310222021021122211
43121131313000
5104043220202
65353511504
71261361530
oct331356700
9128237584
1057007552
112a1a7688
1217112594
13ba6cba4
1477dd4c0
1550111d7
hex365ddc0

57007552 has 28 divisors (see below), whose sum is σ = 129286000. Its totient is φ = 24431616.

The previous prime is 57007529. The next prime is 57007571. The reversal of 57007552 is 25570075.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63177 + ... + 64072.

Almost surely, 257007552 is an apocalyptic number.

It is an amenable number.

57007552 is an abundant number, since it is smaller than the sum of its proper divisors (72278448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57007552 is a wasteful number, since it uses less digits than its factorization.

57007552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127268 (or 127258 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 31.

The square root of 57007552 is about 7550.3345621237. The cubic root of 57007552 is about 384.8671087985.

The spelling of 57007552 in words is "fifty-seven million, seven thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 127249 254498 508996 890743 1017992 1781486 2035984 3562972 4071968 7125944 8143936 14251888 28503776 57007552